Means for use with drawing-off liquids from containers



May 25, 1937.

F. J. T. BARNES 2,081,131

MEANS RoR usla WITH DRAWING-OFF LIQUIDs FROM CONTAINERS Filed Dec. 7, 1934 2 Sheets-Sheet 1 Egg Invenzor May 25, 1937. v| J, T, BARNES 2,081,131

MEANS FOR USE WTH DRAWING-OFF LIQUIDS FROM CONTAINERS Filed D66. 7, 1934 `2 Sheets-Sheet 2 25 v0, 4 22 23 ,afa/'I/* '9 Y 2f llm ` .lic bushing.

Patented May 25, 1937 UNITED STATES MEANS FOR USE WITH DRAWING-OFF LIQUIDS FROM CONTAINERS Frederick `John Trevallon Barnes, Brisbane, Queensland, Australia Application December 7, 1934. Serial No. 756,553

In Great Britain December 8, 1933 9 claims. (C1. 2n- 113) This invention relates to means for use when drawing-off liquids from containers, and an object of the invention is to provide an improved arrangement whereby the liquid may be drawn off without waste. 'Ihe invention is particularly applicable to the drawing-off of beer from barrels,

and enables this to be effected without loss ofbeer,

gas or air and without the necessity of tapping the barrel in the usual manner.

It is an object of the invention to provide a bushing for insertion in the bung hole of a container which will form a fluid-tight joint between the walls thereof and the stem of a tap,

extractor, or other device to be inserted in the bushing for the purpose of drawing off the contents of the container.

.It is another object of the invention to provide a bushing which will form a fluid tight seal between the stem of an extractor, tap `or the like and the walls of a bung hole into which it is inserted, the tightness of the seal being resistant to, and in fact improved by, the outward pressure of the fluid contents of the container.

A further object of the invention is to provide a rubber bushin-g adapted to be seated within a metal lining mounted within the bung hole of the container to form a fluid-tight seal between said lining and a stem, for instance the stem of a tap or an extractor, inserted through said bushing for the purpose of withdrawing the contents of said container.

Still another object of the invention is to provide such a bushing in which means are provided for locking the bushing against expulsion vthereof from its surrounding metal lining, and/or for preventing longitudinal movement of said bushing relative to the stem inserted therein.

Still another object of the invention is to provide in combination with such a bushing means for holding a stem or the like inserted through same in engagement with said container, whereby expulsion of said stem under the action of pressure from within the container is prevented.

The accompanying drawings show, by way of example only, several constructions according to the invention.

Figures l and 2 are cross-sectional views of two constructions showing the metallic bushing engaged within the bung hole of the container, and the extension or stem of the iitting in its position prior to insertion.

Figure 3 is a cross-section and Figure 4 is a side elevational view of a constructionin which the fitting is secured within the bore of --themetal- Figures `5 and 6 are similar views to Figures l'3'` and 4 but embody a modiiied form of rubber bush- Figure 7 is a cross-'sectional view of a further construction and showing a modified arrangement for securing the fitting within the bore of the metallic bushing, and

Figure 8 is a cross-sectional view on the line IIB-IB of Figure '7.

Referring to the drawings and more particularly to Figure 1, a metallic bushing I is screwthreaded into the container Y2 and the innermost portion 3 of the bore is closed by a cork II. .An annular rib I6 divides the bore into two-portions andthe outermost portion 6 contains a rubber bushingl, the outer end of the bore 6 being-provided with a bevelled portion 8 to facilitate insertion of the rubber bushing 'I. An under-cut recess 9 is formed in the head Ill ofthe metallic bushing and is adapted to receive a metallic or like seal to prevent the ingress of dirt or other foreign matter, that is to say when the container is normally closed by the cork 4 and prior to the insertion ofthe rubber bushing 1. A tap, the body portion of which is indicated by I'I, comprises an extension I2 which is adapted to be inserted through the rubber bushing l to engage the cork thereby'removing the cork from the bore 3 and pushing it into the container. During this operation leakage of liquid (for example, been) gas or air is prevented due to the tight joint which is provided between the bore of theA rubber bushing I and the extension I2 of the tap.

.According to the invention, the body portion of the rubberV bushing I is provided witha deep annular recess I'I extending `from the inner face of the said bushing and longitudinally thereof. Apart from facilitating the insertion ofthe rubber bushing, the provision of the annular recess Il assists in providing a liquid, gas or air tight joint between the extension I2 of the tap and the bore 6 of the metallic bushing, in that the liquid, gas or air pressure within the recess II causes expansion `of the body portion of the rubber bushing and presses it tightly-against the bore B and the extension I2.

Figure-2 relates to a similar construction to that according to Figure l. but the inner and outer portions of the body portion of the rubber bushing 1 are provided with circular ribs I8 and I9. The rib I8 is adapted to engage a correspondingrecess 2Il in the bore of the metallic bushing, and the rib I9 is adapted to engage a corresponding recess 2| in the extension I2 of the tap. Due

CTL.

and 25 in the bore of the metallic bushing I. In addition,- a longitudinal outward movement of the extension I2 of the fitting after it has reached its innermost position is prevented by the provision* of separate securing means, constituted-.by ,a ,re-- cess 26 provided in the bore 6 of r'ther-.metallicV bushing, which recess is provided with cut-away portions 2'I allowing passage of `lugs 28v formedonfthe extension I2 of the tap. After the lugs have passed through the cut-awayportions 21: the fltting is rotated through say, andthe lugs-,281

are then disposed within the recess 26, thereby preventing outward longitudinal movementof'the r' fitting ,due to .the actionfof pressure withinthe container.

Figures 5 and 6 show similar securing means to that according. to Figures 3 and 4 but rthe `rubber bushing] is, provided vwith only vone circumferential Qrib 2`9 .whichengages a corresponding 4,recess i 30 in the bore 6 of the metallic bushing.'v

Figures 7 and 8 show amodlied Vformofsecuringmeans and in this construction va circumferentialpange 3I..is provided onthe head `II) of themetallic bushing, which. flange is provided with cut-away portions 32.l Recessed lugs 33 are formed on the extensionJZ ofy the. tap, and when the fitting reaches its innermost position, therecessedlugs 33 .are adaptedto pass through the cut-away portions 32. The tap is then rotated through,say,-90 to cause the recessed lugs 33 to engage the flange 3 I` thereby preventing voutward-v longitudinal movement of the fitting from its innermost position.

It will, of course,.be\understood thatwith the arrangements shown in the drawings, Athe rubber. bushingfl may be carried .by the extension I2 of the tap instead of being initially inserted into the.

bore 6 of the metallic bushing, the rubber bushing then acting in, a similar manner to provide-a liquid, air or gas tight joint.

Finally, it will be understood that the invention isapplicable to all types of ttings which are providedwith an extension or stem which is adapted to pengage the cork disposed-,within.theinnermost portion of the vbore of the metallic bushing-.1f For example, the invention may be applied to an extractor for say drawing-off beerwith air, COnor 1 other suitable-gas,` the metallic bushing :anda its associated parts being,in this-case, disposedvertically4 in the container.

I claim:

1..A bushing of resilient material -for insertion,

in the` bung holel of a container, comprising a tubular-sleeve portion which is provided with a. deep longitudinal annular recess within the thickness-.of the wall of said sleeve" extending- `in the axial-.direction from oneend of saidv sleeve.

2.-. A bushing for insertion within the bung hole Vof a container, comprising a ange portion and a tubular sleeve extending therefrom, saidsleeve portion comprising -anV annular slot-within the thickness of the wallbf-the sleeve,-extending in the :axial direction from the end of thesleeveopposite from theflange.

3. Resilient bushing for insertion Within wthe bung hole-of acontainer, comprising. afange portion, a sleeve -extending therefrom, Y a con-.-

tinuous boreextending ,through :said vsleeve and:

said flange portion and a recess within the thickness of said sleeve portion, concentric with said bore, and extending into said sleeve in the longitudinal direction thereof.

4. Means for use in drawing-olf liquids from 5 a container, comprising a metal lining for inserl tion in the bung hole of the container, said lining comprising anin'ner bore'y adapted to receive a cork'and'an autel-bore co-'aXial' therewith, said two bores being separated by an annular rib 10 constituting an abutment for said cork to limit outwardimovement thereof, a resilient bush engagingintheiouter bore, said bushing comprising a sleeve portion extending into said bore, said-sleeve portion comprising an annular recess 15 formed'in' the thickness thereof and extending fromitheinnerrend longitudinally of said sleeve, aigroove 1in -.-said outer bore and a rib on said resilient bush engaging in said groove.

5f Meansfor use in drawing-off liquids from a 20 containen: comprising a metal `lining forr insertionin :thabungholeof the container, said lining comprising an 'inner' Vbore vadapted to receive' a cork :and .an outer bore-,co-axialA therewith said c two bores -beingseparatedfby an '.annula'r.,rib-25`v constituting ,anabutment for 'said cork'to limit outward `movement, thereof, a resilient. bush. en-. gagingin the outer bore,.said,bushing comprising I; a sleeve portion extending ,into said :bore;.said.Z

sleeve tportioncomprisingqan annulartre'cess 30 formediin the Athickness fthereoirandl extending; from .the inner end longitudinally: of. said sleeve, afgroovein 4said ,outer-bore andfa rib zon said resilient lbushiengaging .vinisaid groove, asecond.:

rib on said kresilientbush projectingfinto the bore 35 1 thereof and adapted to engagesagroove in theA stemrof :a .drawing-off; deviceto be inserted through vsaidbush.

6. Means for. usel in drawing-off .liquids from .a fw

container, comprisinga metal lining for insertionv in ,thefbung holelof. thecontainer, saidllining comprising fan'inner: bore adapted fto. receive a cork. .1 and anaoutergbore :co-axial therewith; saidrtwo boresnbeing separated-by. an.annular rib constitutingan-abutment for said cork .tolimit outward 45 movement thereof, a resilient. bush. engaging inl thev outer bore, said bushing comprising `a .sleeve f portion extendinginto Vsaid bore, said sleeve por-x tion `comprising. an annular. recess :formed intheA thickness thereofiand extending from the inner; f 50 u end longitudinally of said sleeve, a Yplurality-of i grooves in;said outer bore. and aplurality of ribs on=4 said resilientlbush :engaging in said grooves."

7. Means for use in drawing-off liquidsfromarA container, vcomprisingia :metal lining forv inserV -55 formed iinzithe thickness thereof and :extending 65 from the inner end longitudinally of saidsleeve, a Vgroove fin' lsaid .outerz bore .and .a rib ronv said resilient 'bush engaging in said groove, and holdingmeans Yon said metal lining.'V

8.:.'Means.for luserin drawing-oitliquids from va, i 70 container, comprising a metal lining. foi` inserirtion invthebungf holeof` the4 container, said lining comprising@ an.- inner bore. adapted; to.v receive a -f cork and an outer .-bore. co-axialltherewith, said two bores being separated by an annularfrbQcon-f 75 l;

stituting an abutment for said cork to limit outward movement thereof, a resilient bush engaging in the outer bore, said bushing comprising a sleeve portion extending into said bore, said sleeve portion comprising an annular recess formed in the thickness thereof and extending from the inner end longitudinally of said sleeve, a groove in said outer bore, a rib on said resilient bush engaging in said groove, and inwardly directed lugs on said metal lining 9. Means for use in drawing-off liquids from a container, comprising a metal lining for insertion in the bung hole of the container, said lining Ycomprising an inner bore adapted to receive a cork and an outer bore co-axial therewith, said twoI bores being separated by an annular rib constituting an abutment forsaid cork to limit outward movement thereof, a resilient bush engaging in the outer bore,said bushing comprising a sleeve portion extending into said loore, said sleeve portion comprising an annular recess formed in the thickness thereof and extending from the inner end longitudinally of said sleeve, a. groove in said outer bore, a rib on said resilient bush engaging in said groove, and an outwardly directed lug on said metal lining.

FREDERICK JOHN TREVALLON BARNES. 

